Zobrazujú sa: Rakúsko - Doplatné známky (1894 - 1989) - 4 známky.
1917
Not Issued Stamps Overprinted "PORTO" and Surcharged - Emperor Franz Joseph
apríl WM: nikto Perforácia: 12½
![[Not Issued Stamps Overprinted "PORTO" and Surcharged - Emperor Franz Joseph, typ I]](https://www.stampworld.com/media/catalogue/Austria/Postage-due-stamps/I-s.jpg)
![[Not Issued Stamps Overprinted "PORTO" and Surcharged - Emperor Franz Joseph, typ I1]](https://www.stampworld.com/media/catalogue/Austria/Postage-due-stamps/I1-s.jpg)
![[Not Issued Stamps Overprinted "PORTO" and Surcharged - Emperor Franz Joseph, typ I2]](https://www.stampworld.com/media/catalogue/Austria/Postage-due-stamps/I2-s.jpg)
![[Not Issued Stamps Overprinted "PORTO" and Surcharged - Emperor Franz Joseph, typ I3]](https://www.stampworld.com/media/catalogue/Austria/Postage-due-stamps/I3-s.jpg)
